Essick PCRD S 6600 Owner'S Manual Download Page 4

MAINTENANCE 

CAUTION: Turn off all electrical power to this unit before opening or attempting any service. 

Occasionally inspect your cooler for leaks, loose belt, blocked water lines, correct belt 
alignment or excessive residue buildup on the pads.  Inspect cabinet for rust.  If rust 
spots appear, sand and paint with a high-grade, corrosion resistant paint. 

BELT ADJUSTMENT 

An improperly adjusted belt will greatly shorten motor life.  A deflection of 1” with 3 to 5 
pounds of force applied will indicate proper adjustment.  

Do Not

 use the motor pulley to 

adjust belt tension.  Always use the Motor Adjustment Assemblies to adjust the belt 
tension. 

OILING 

Lube the blower bearings twice per year.  Use SAE 20W or 30W, non-detergent oil on 
bearings with oil cups and standard bearing grease on ball bearings.  Oil the blower 
motor if it is equipped with oil holes.  Some motors are permanently lubricated at the 
factory. 

REMOVING GRILLES

 

Slip a small screwdriver under a stainless steel clip and pry up until clip snaps open.  
Repeat for other nine clips.  Ensure that grille is set in a safe place where it can not 
fall and or will not be broken. 

REPLACING MEDIA 

1. Remove grilles. 
2. Tilt top of module away from cooler and disconnect water hose. 
3. Remove vertical retainers. 
4. Remove polyester filter and discard. 
5. Push bottom of center piece of CEL-dek out of module and remove CEL-dek. 
6. Repeat for two remaining pieces of CEL-dek. 
7. Install new CEL-dek and polyester filter. 
8. Replace vertical supports. 
 

Item P/N Description 

1 516144 

Retainer-Vertical 

2 504167 

Top 

Support 

3 523159 

Top 

512544  Water Distributor  

5 524295 

Grommet 

6 524088 

10” 

CEL-dek 

7 524087 

12” 

CEL-dek 

8 523158 

Side 

9 523160 

Bottom 

10 514593 

Polyester 

Filter 

11 504166 

pocket 

12 589096 

Pop 

rivets 

13 524099 

Cap 

14 514028 

Distributor 

pad 

 

 
 

60°

30°

Proper Pad 

Orientation

Air

Flow

9

6

11

14

8

12

4

12

3

2

12

1

13

12

8

10

12

5

7

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